Finding the Fourth Proportional to 21,934,209.72, 30,270,326.76 and 12,145,735.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,934,209.72 : 30,270,326.76 = 12,145,735.56 : x
2. Step 2: Convert to fraction form
   21,934,209.72/30,270,326.76 = 12,145,735.56/x
3. Step 3: Cross multiply
   21,934,209.72x = 30,270,326.76 × 12,145,735.56
4. Step 4: Simplify right side
   21,934,209.72x = 367,655,384,141,751.62
5. Step 5: Solve for x
   x = 367,655,384,141,751.62/21,934,209.72
6. Step 6: Final answer
   x = 16,761,733.79